| 年份 | 保加利亚 |
|---|---|
| 2023 | - |
| 2022 | 22.3779 |
| 2021 | 22.4211 |
| 2020 | 22.2651 |
| 2019 | 21.95 |
| 2018 | 21.5694 |
| 2017 | 21.2074 |
| 2016 | 20.8754 |
| 2015 | 20.5076 |
| 2014 | 20.0797 |
| 2013 | 19.6196 |
| 2012 | 19.1916 |
| 2011 | 18.7886 |
| 2010 | 18.4374 |
| 2009 | 18.1969 |
| 2008 | 18.0208 |
| 2007 | 17.8796 |
| 2006 | 17.7526 |
| 2005 | 17.6343 |
| 2004 | 17.5139 |
| 2003 | 17.3824 |
| 2002 | 17.23 |
| 2001 | 17.0281 |
| 2000 | 16.791 |
| 1999 | 16.5134 |
| 1998 | 16.222 |
| 1997 | 15.9746 |
| 1996 | 15.7497 |
| 1995 | 15.513 |
| 1994 | 15.254 |
| 1993 | 14.9767 |
| 1992 | 14.6784 |
| 1991 | 14.3791 |
| 1990 | 14.077 |
| 1989 | 13.7482 |
| 1988 | 13.4281 |
| 1987 | 13.1394 |
| 1986 | 12.8395 |
| 1985 | 12.5569 |
| 1984 | 12.3561 |
| 1983 | 12.2615 |
| 1982 | 12.2411 |
| 1981 | 12.1972 |
| 1980 | 12.1118 |
| 1979 | 11.9622 |
| 1978 | 11.7381 |
| 1977 | 11.5251 |
| 1976 | 11.3055 |
| 1975 | 11.0389 |
| 1974 | 10.7619 |
| 1973 | 10.4832 |
| 1972 | 10.2202 |
| 1971 | 9.9767 |
| 1970 | 9.71652 |
| 1969 | 9.46255 |
| 1968 | 9.22368 |
| 1967 | 8.98362 |
| 1966 | 8.73003 |
| 1965 | 8.45739 |
| 1964 | 8.18695 |
| 1963 | 7.93557 |
| 1962 | 7.73948 |
| 1961 | 7.54942 |
| 1960 | 7.34287 |